Impact tool



FIG. 1 is a front perspective view of a design of an impact tool;

FIG. 2 is a front elevation view of the impact tool of FIG. 1;

FIG. 3 is a rear elevation view of the impact tool of FIG. 1;

FIG. 4 is a right side elevation view of the impact tool of FIG. 1;

FIG. 5 is a left side elevation view of the impact tool of FIG. 1;

FIG. 6 is a top plan view of the impact tool of FIG. 1; and,

FIG. 7 is a bottom plan view of the impact tool of FIG. 1.

The broken lines shown in the drawings illustrate portions of the impact tool that form no part of the claimed design. 

CLAIM The ornamental design for an impact tool, as shown and described. 